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Challenges on Ultraviolet Astronomy 2014 [PDF]

open access: yesAstrophysics and Space Science, 2014
We are pleased to present this Special Issue of Astrophysics & Space Science; “Challenges on Ultraviolet Astronomy 2014”. This volume comes at a crucial time in Ultraviolet (UV) astronomy. The NASA/ESA programmes that created the community are reaching completion and future missions, apart from the World Space Observatory-Ultraviolet (WSOUV), are small-
Ana I. Gómez de Castro   +4 more
openaire   +1 more source

Interpreting the Si ii and C ii Line Spectra from the COS Legacy Archive Spectroscopic SurveY Using a Virtual Galaxy from a High-resolution Radiation-hydrodynamic Simulation

open access: yesThe Astrophysical Journal, 2023
Observations of low-ionization state metal lines provide crucial insights into the interstellar medium (ISM) of galaxies, yet, disentangling the physical processes responsible for the emerging line profiles is difficult.
Simon Gazagnes   +21 more
doaj   +1 more source

Discovery of 20 UV-emitting SNRs in M31 with UVIT

open access: yesThe Astronomical Journal, 2023
We present the first catalog of supernova remnants (SNRs) in M31 that exhibit diffuse ultraviolet (UV) emission. UV images of M31 were obtained by the Ultraviolet Imaging Telescope (UVIT) on the AstroSat satellite, and the list of SNRs was obtained from ...
Denis Leahy   +2 more
doaj   +1 more source

Simultaneous Estimates of Star-cluster Age, Metallicity, Mass, and Extinction (SESAMME). I. Presenting an MCMC Approach to Spectral Stellar Population Fitting

open access: yesThe Astrophysical Journal, 2023
We present the first version release of SESAMME, a public, Python-based full spectrum fitting tool for Simultaneous Estimates of Star-cluster Age, Metallicity, Mass, and Extinction.
Logan H. Jones   +5 more
doaj   +1 more source

An Ultraviolet Spectrophotometer for Satellite Astronomy [PDF]

open access: yesJapanese Journal of Applied Physics, 1964
An astronomical Spectrophotometer is described which was designed for use on OSOB, the second U.S. Orbiting Solar Observatory. The Spectrophotometer is intended to analyze the ultraviolet emission from stars and nebulae. The entrance slit of the Spectrophotometer defines the field at the primary focus of a 6-inch modified Gregorian reflecting ...
Kenneth Hallam, John Mangus
openaire   +1 more source

The Colorado Ultraviolet Transit Experiment Mission Overview

open access: yesThe Astronomical Journal, 2023
Atmospheric escape is a fundamental process that affects the structure, composition, and evolution of many planets. The signatures of escape are detectable on close-in, gaseous exoplanets orbiting bright stars, owing to the high levels of extreme ...
Kevin France   +20 more
doaj   +1 more source

An In Situ Oxidation Strategy for Ti3C2@TiO2 Heterojunction: Narrow‐Band Photodetection and Trace Chromium Ion Determination

open access: yesAdvanced Functional Materials, EarlyView.
A Ti3C2@TiO2 heterostructure has been successfully fabricated by an in situ oxidation approach. The as‐fabricated Ti3C2@TiO2‐based photodetector exhibits narrow‐spectrum response with excellent stability. It also realizes sensitive Cr(VI) detection in a large concentration range of 10−12–10−6 M with an ultra‐low detection limit of 7.6 × 10−12 M ...
Jiahui Hou   +11 more
wiley   +1 more source

Extracting Cleaned Swift/UVOT Ultraviolet Grism Spectra with the uvotpy Package

open access: yesThe Astrophysical Journal Supplement Series
The Ultraviolet/Optical Telescope (UVOT) on board the Neil Gehrels Swift Observatory is capable of imaging with seven lenticular filters and of taking slitless spectra with two grisms.
Hao Zhou   +5 more
doaj   +1 more source

3. Ultraviolet Astronomy [PDF]

open access: yesTransactions of the International Astronomical Union, 1985
During 1982-1984, progress in ultraviolet astronomy continued through extensive observations with the International Ultraviolet Explorer (IUE), continuing programs of sounding rocket and balloon flights, and through observations made from other orbital spacecraft, including the Space Shuttle and ASTRON.
openaire   +1 more source

Effect of Optical Illumination on Bubble Nanodomains

open access: yesAdvanced Functional Materials, EarlyView.
Stable surface‐confined nanoscale bubble domains are created and manipulated in PMN‐PT single crystals. Under above‐bandgap illumination, these bubble nanodomains remain unchanged. However, upon illumination cessation, they rapidly expand to switch the entire crystal surface, due to the accumulation of a large reservoir of electrons at the crystal ...
Haoze Zhang   +8 more
wiley   +1 more source

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